Spin Response Message Fields

The Spin Response message is sent in response to a user’s Spin Request message indicating whether a spin will be sent.

Table 1. Spin Response
Field NameOffsetLengthType/(Value)Description
Length01BinaryLength of this message including this field.
Message Type110x82 Spin Response Message
Sequence24BinarySequence number from a Spin Image Available message received by the participant.
Order Count64BinaryAlways zero.
Status101AlphanumericAccepted or reason for reject*.
Total Length = 11 bytes
Spin Response - Status Codes
‘A’Accepted
‘O’Out of Range (Sequence requested is greater than Sequence available by the next spin)
‘S’Spin already in progress (only one spin can be running at a time).

* - All non-’A’ status codes should be interpreted as a reject.

Cboe Titanium U.S. Options Multicast TOP Specification - Spin Response | Cboe